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<li class="toctree-l2 current"><a class="current reference internal" href="#">Orchestrator 模块</a><ul>
<li class="toctree-l3"><a class="reference internal" href="#definition-of-terms">Definition of Terms</a></li>
<li class="toctree-l3"><a class="reference internal" href="#status">Status</a></li>
<li class="toctree-l3"><a class="reference internal" href="#stateless-services-mds-rgw-nfs-rbd-mirror-iscsi">Stateless services (MDS/RGW/NFS/rbd-mirror/iSCSI)</a></li>
<li class="toctree-l3"><a class="reference internal" href="#options">Options</a></li>
<li class="toctree-l3"><a class="reference internal" href="#configuring-the-orchestrator-cli">Configuring the Orchestrator CLI</a><ul>
<li class="toctree-l4"><a class="reference internal" href="#example-configuring-the-orchestrator-cli">Example - Configuring the Orchestrator CLI</a></li>
<li class="toctree-l4"><a class="reference internal" href="#disable-the-orchestrator">Disable the Orchestrator</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#current-implementation-status">Current Implementation Status</a></li>
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<div id="dev-warning" class="admonition note">
  <p class="first admonition-title">Notice</p>
  <p class="last">This document is for a development version of Ceph.</p>
</div>
  <div id="docubetter" align="right" style="padding: 5px; font-weight: bold;">
    <a href="https://pad.ceph.com/p/Report_Documentation_Bugs">Report a Documentation Bug</a>
  </div>

  
  <section id="orchestrator-cli">
<span id="orchestrator-cli-module"></span><h1>Orchestrator CLI<a class="headerlink" href="#orchestrator-cli" title="Permalink to this heading"></a></h1>
<p>This module provides a command line interface (CLI) for orchestrator modules.
Orchestrator modules are <code class="docutils literal notranslate"><span class="pre">ceph-mgr</span></code> plugins that interface with external
orchestration services.</p>
<section id="definition-of-terms">
<h2>Definition of Terms<a class="headerlink" href="#definition-of-terms" title="Permalink to this heading"></a></h2>
<p>The orchestrator CLI unifies multiple external orchestrators, so we need a
common nomenclature for the orchestrator module:</p>
<table class="docutils align-default">
<tbody>
<tr class="row-odd"><td><p><em>host</em></p></td>
<td><p>hostname (not the DNS name) of the
physical host. Not the podname,
container name, or hostname inside
the container.</p></td>
</tr>
<tr class="row-even"><td><p><em>service type</em></p></td>
<td><p>The type of the service. e.g., nfs,
mds, osd, mon, rgw, mgr, iscsi</p></td>
</tr>
<tr class="row-odd"><td><p><em>service</em></p></td>
<td><p>A logical service. Typically
comprised of multiple service
instances on multiple hosts for HA</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">fs_name</span></code> for mds type</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">rgw_zone</span></code> for rgw type</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">ganesha_cluster_id</span></code> for nfs type</p></li>
</ul>
</td>
</tr>
<tr class="row-even"><td><p><em>daemon</em></p></td>
<td><p>A single instance of a service.
Usually a daemon, but maybe not
(e.g., might be a kernel service
like LIO or knfsd or whatever)</p>
<p>This identifier should
uniquely identify the instance.</p>
</td>
</tr>
</tbody>
</table>
<p>Here is how the names relate:</p>
<ul class="simple">
<li><p>A <em>service</em> has a specific <em>service type</em>.</p></li>
<li><p>A <em>daemon</em> is a physical instance of a <em>service type</em>.</p></li>
</ul>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Orchestrator modules might implement only a subset of the commands listed
below. The implementation of the commands may differ between modules.</p>
</div>
</section>
<section id="status">
<h2>Status<a class="headerlink" href="#status" title="Permalink to this heading"></a></h2>
<div class="highlight-default notranslate"><div class="highlight"><pre><style type="text/css">
span.prompt1:before {
  content: "$ ";
}
</style><span class="prompt1">ceph<span class="w"> </span>orch<span class="w"> </span>status<span class="w"> </span><span class="o">[</span>--detail<span class="o">]</span></span>
</pre></div></div><p>This command shows the current orchestrator mode and its high-level status
(whether the orchestrator plugin is available and operational).</p>
</section>
<section id="stateless-services-mds-rgw-nfs-rbd-mirror-iscsi">
<span id="orchestrator-cli-stateless-services"></span><h2>Stateless services (MDS/RGW/NFS/rbd-mirror/iSCSI)<a class="headerlink" href="#stateless-services-mds-rgw-nfs-rbd-mirror-iscsi" title="Permalink to this heading"></a></h2>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>The orchestrator will not configure the services. See the relevant
documentation for details about how to configure particular services.</p>
</div>
<p>The <code class="docutils literal notranslate"><span class="pre">name</span></code> parameter identifies the kind of the group of instances. The
following short list explains the meaning of the <code class="docutils literal notranslate"><span class="pre">name</span></code> parameter:</p>
<ul class="simple">
<li><p>A CephFS file system identifies a group of MDS daemons.</p></li>
<li><p>A zone name identifies a group of RGWs.</p></li>
</ul>
<p>Creating/growing/shrinking/removing services:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span class="prompt1">ceph<span class="w"> </span>orch<span class="w"> </span>apply<span class="w"> </span>mds<span class="w"> </span>&lt;fs_name&gt;<span class="w"> </span><span class="o">[</span>--placement<span class="o">=</span>&lt;placement&gt;<span class="o">]</span><span class="w"> </span><span class="o">[</span>--dry-run<span class="o">]</span></span>
<span class="prompt1">ceph<span class="w"> </span>orch<span class="w"> </span>apply<span class="w"> </span>rgw<span class="w"> </span>&lt;name&gt;<span class="w"> </span><span class="o">[</span>--realm<span class="o">=</span>&lt;realm&gt;<span class="o">]</span><span class="w"> </span><span class="o">[</span>--zone<span class="o">=</span>&lt;zone&gt;<span class="o">]</span><span class="w"> </span><span class="o">[</span>--port<span class="o">=</span>&lt;port&gt;<span class="o">]</span><span class="w"> </span><span class="o">[</span>--ssl<span class="o">]</span><span class="w"> </span><span class="o">[</span>--placement<span class="o">=</span>&lt;placement&gt;<span class="o">]</span><span class="w"> </span><span class="o">[</span>--dry-run<span class="o">]</span></span>
<span class="prompt1">ceph<span class="w"> </span>orch<span class="w"> </span>apply<span class="w"> </span>nfs<span class="w"> </span>&lt;name&gt;<span class="w"> </span>&lt;pool&gt;<span class="w"> </span><span class="o">[</span>--namespace<span class="o">=</span>&lt;namespace&gt;<span class="o">]</span><span class="w"> </span><span class="o">[</span>--placement<span class="o">=</span>&lt;placement&gt;<span class="o">]</span><span class="w"> </span><span class="o">[</span>--dry-run<span class="o">]</span></span>
<span class="prompt1">ceph<span class="w"> </span>orch<span class="w"> </span>rm<span class="w"> </span>&lt;service_name&gt;<span class="w"> </span><span class="o">[</span>--force<span class="o">]</span></span>
</pre></div></div><p>where <code class="docutils literal notranslate"><span class="pre">placement</span></code> is a <a class="reference internal" href="../../cephadm/services/#orchestrator-cli-placement-spec"><span class="std std-ref">Daemon Placement</span></a>.</p>
<p>e.g., <code class="docutils literal notranslate"><span class="pre">ceph</span> <span class="pre">orch</span> <span class="pre">apply</span> <span class="pre">mds</span> <span class="pre">myfs</span> <span class="pre">--placement=&quot;3</span> <span class="pre">host1</span> <span class="pre">host2</span> <span class="pre">host3&quot;</span></code></p>
<p>Service Commands:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span class="prompt1">ceph<span class="w"> </span>orch<span class="w"> </span>&lt;start<span class="p">|</span>stop<span class="p">|</span>restart<span class="p">|</span>redeploy<span class="p">|</span>reconfig&gt;<span class="w"> </span>&lt;service_name&gt;</span>
</pre></div></div><div class="admonition note">
<p class="admonition-title">Note</p>
<p>These commands apply only to cephadm containerized daemons.</p>
</div>
</section>
<section id="options">
<h2>Options<a class="headerlink" href="#options" title="Permalink to this heading"></a></h2>
<dl class="std option">
<dt class="sig sig-object std" id="cmdoption-arg-start">
<span class="sig-name descname"><span class="pre">start</span></span><span class="sig-prename descclassname"></span><a class="headerlink" href="#cmdoption-arg-start" title="Permalink to this definition"></a></dt>
<dd><p>Start the daemon on the corresponding host.</p>
</dd></dl>

<dl class="std option">
<dt class="sig sig-object std" id="cmdoption-arg-stop">
<span class="sig-name descname"><span class="pre">stop</span></span><span class="sig-prename descclassname"></span><a class="headerlink" href="#cmdoption-arg-stop" title="Permalink to this definition"></a></dt>
<dd><p>Stop the daemon on the corresponding host.</p>
</dd></dl>

<dl class="std option">
<dt class="sig sig-object std" id="cmdoption-arg-restart">
<span class="sig-name descname"><span class="pre">restart</span></span><span class="sig-prename descclassname"></span><a class="headerlink" href="#cmdoption-arg-restart" title="Permalink to this definition"></a></dt>
<dd><p>Restart the daemon on the corresponding host.</p>
</dd></dl>

<dl class="std option">
<dt class="sig sig-object std" id="cmdoption-arg-redeploy">
<span class="sig-name descname"><span class="pre">redeploy</span></span><span class="sig-prename descclassname"></span><a class="headerlink" href="#cmdoption-arg-redeploy" title="Permalink to this definition"></a></dt>
<dd><p>Redeploy the Ceph daemon on the corresponding host. This will recreate the daemon directory
structure under <code class="docutils literal notranslate"><span class="pre">/var/lib/ceph/&lt;fsid&gt;/&lt;daemon-name&gt;</span></code> (if it doesn’t exist), refresh its
configuration files, regenerate its unit-files and restarts the systemd daemon.</p>
</dd></dl>

<dl class="std option">
<dt class="sig sig-object std" id="cmdoption-arg-reconfig">
<span class="sig-name descname"><span class="pre">reconfig</span></span><span class="sig-prename descclassname"></span><a class="headerlink" href="#cmdoption-arg-reconfig" title="Permalink to this definition"></a></dt>
<dd><p>Reconfigure the daemon on the corresponding host. This will refresh configuration files then restart the daemon.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>this command assumes the daemon directory <code class="docutils literal notranslate"><span class="pre">/var/lib/ceph/&lt;fsid&gt;/&lt;daemon-name&gt;</span></code> already exists.</p>
</div>
</dd></dl>

</section>
<section id="configuring-the-orchestrator-cli">
<h2>Configuring the Orchestrator CLI<a class="headerlink" href="#configuring-the-orchestrator-cli" title="Permalink to this heading"></a></h2>
<p>Enable the orchestrator by using the <code class="docutils literal notranslate"><span class="pre">set</span> <span class="pre">backend</span></code> command to select the orchestrator module that will be used:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span class="prompt1">ceph<span class="w"> </span>orch<span class="w"> </span><span class="nb">set</span><span class="w"> </span>backend<span class="w"> </span>&lt;module&gt;</span>
</pre></div></div><section id="example-configuring-the-orchestrator-cli">
<h3>Example - Configuring the Orchestrator CLI<a class="headerlink" href="#example-configuring-the-orchestrator-cli" title="Permalink to this heading"></a></h3>
<p>For example, to enable the Rook orchestrator module and use it with the CLI:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span class="prompt1">ceph<span class="w"> </span>mgr<span class="w"> </span>module<span class="w"> </span><span class="nb">enable</span><span class="w"> </span>rook</span>
<span class="prompt1">ceph<span class="w"> </span>orch<span class="w"> </span><span class="nb">set</span><span class="w"> </span>backend<span class="w"> </span>rook</span>
</pre></div></div><p>Confirm that the backend is properly configured:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span class="prompt1">ceph<span class="w"> </span>orch<span class="w"> </span>status</span>
</pre></div></div></section>
<section id="disable-the-orchestrator">
<h3>Disable the Orchestrator<a class="headerlink" href="#disable-the-orchestrator" title="Permalink to this heading"></a></h3>
<p>To disable the orchestrator, use the empty string <code class="docutils literal notranslate"><span class="pre">&quot;&quot;</span></code>:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span class="prompt1">ceph<span class="w"> </span>orch<span class="w"> </span><span class="nb">set</span><span class="w"> </span>backend<span class="w"> </span><span class="s2">&quot;&quot;</span></span>
<span class="prompt1">ceph<span class="w"> </span>mgr<span class="w"> </span>module<span class="w"> </span>disable<span class="w"> </span>rook</span>
</pre></div></div></section>
</section>
<section id="current-implementation-status">
<h2>Current Implementation Status<a class="headerlink" href="#current-implementation-status" title="Permalink to this heading"></a></h2>
<p>This is an overview of the current implementation status of the orchestrators.</p>
<table class="docutils align-default">
<thead>
<tr class="row-odd"><th class="head"><p>Command</p></th>
<th class="head"><p>Rook</p></th>
<th class="head"><p>Cephadm</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p>apply iscsi</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>apply mds</p></td>
<td><p>✔</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>apply mgr</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>apply mon</p></td>
<td><p>✔</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>apply nfs</p></td>
<td><p>✔</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>apply osd</p></td>
<td><p>✔</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>apply rbd-mirror</p></td>
<td><p>✔</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>apply cephfs-mirror</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>apply grafana</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>apply prometheus</p></td>
<td><p>❌</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>apply alertmanager</p></td>
<td><p>❌</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>apply node-exporter</p></td>
<td><p>❌</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>apply rgw</p></td>
<td><p>✔</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>apply container</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>apply snmp-gateway</p></td>
<td><p>❌</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>host add</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>host ls</p></td>
<td><p>✔</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>host rm</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>host maintenance enter</p></td>
<td><p>❌</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>host maintenance exit</p></td>
<td><p>❌</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>daemon status</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>daemon {stop,start,…}</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>device {ident,fault}-(on,off}</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>device ls</p></td>
<td><p>✔</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>iscsi add</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>mds add</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>nfs add</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>rbd-mirror add</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>rgw add</p></td>
<td><p>⚪</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>ls</p></td>
<td><p>✔</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>ps</p></td>
<td><p>✔</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-odd"><td><p>status</p></td>
<td><p>✔</p></td>
<td><p>✔</p></td>
</tr>
<tr class="row-even"><td><p>upgrade</p></td>
<td><p>❌</p></td>
<td><p>✔</p></td>
</tr>
</tbody>
</table>
<p>where</p>
<ul class="simple">
<li><p>⚪ = not yet implemented</p></li>
<li><p>❌ = not applicable</p></li>
<li><p>✔ = implemented</p></li>
</ul>
</section>
</section>



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